| Color | : | Silver / Metallic |
| Core Material | : | Polyester |
| Flame / Smoke Rating | : | 25/50 |
| Inside Diameter | : | 6 in |
| Insulated | : | Yes |
| Jacket Material | : | Metallized Polyester |
| Length | : | 25 ft |
| Maximum Air Velocity | : | 5,000 FPM |
| Maximum Working Pressure | : | 6 in w.c. |
| Operating Temperature Rating | : | -20-140 F |
| Package Quantity | : | 1 |
| Product Family | : | #036 Series |
| Product Type | : | Insulated Flexible Duct |
| Product Weight | : | 11.64 lbs |
| R-Value | : | 6 |
| Shape | : | Round |
This #036 Series insulated flexible duct is a UL 181 Class 1 air duct designed for supply and return lines in residential and commercial low-to-medium pressure HVAC systems. With an R-6 insulation value, it provides excellent thermal performance, while its tough, reinforced metallized polyester jacket ensures jobsite durability. The air-tight inner core consists of a double lamination of polyester encapsulating a steel wire helix, delivering efficient, reliable performance with low friction loss.
Encapsulated Wire Helix: Prevents unraveling when cut to length for quick and easy installation.Reinforced Jacket: Features a tri-directionally reinforced, metallized polyester jacket that is tear and puncture resistant for jobsite durability.Air-Tight Core: A double-laminated polyester inner core is air-tight to improve energy efficiency and prevent fiberglass erosion into the airstream.Thermal Performance: Insulated with a thick blanket of R-6 fiberglass, certified by the ADC and classified by UL for reliable thermal efficiency.Health and Safety: Certified for low chemical emissions (UL 2818) and high resistance to mold growth (UL 2824).Code Compliant: Listed as a UL 181 Class 1 Air Duct for compliance with major building codes, including NFPA 90A and 90B.